package com.jee.support.thread;public class EvenGenerator extends IntGenerator {	private int currentEvenValue = 0;//	public int next() {//		++currentEvenValue; // Danger point here!//		++currentEvenValue;//		return currentEvenValue;//	}		public synchronized int next(){		++currentEvenValue;		Thread.yield();		++currentEvenValue;		return currentEvenValue;	}	public static void main(String[] args) {		EvenChecker.test(new EvenGenerator());	}}